6463| 12
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主動軸上打螺紋孔,為了做軸向限位 |
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點評
與層主的思路一致
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小黑屋|手機版|Archiver|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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